Smoke alarm detector



FIG. 1 is a front view;

FIG. 2 is a top view;

FIG. 3 is a rear view;

FIG. 4 is a bottom view;

FIG. 5 is a right side view; and,

FIG. 6 is a left side view.

The broken lines in the drawings are for illustrative purposes, and form no part of the claimed design. 

The ornamental design for a smoke alarm detector, as shown and described. 